Connected: An Internet Encyclopedia
RFC 1123 - 5.2.4 SEND, SOML, and SAML Commands: RFC-821 Section 3.4

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### 5.2.4 SEND, SOML, and SAML Commands: RFC-821 Section 3.4

An SMTP MAY implement the commands to send a message to a user's terminal: SEND, SOML, and SAML.

DISCUSSION:

  It has been suggested that the use of mail relaying through an MX record is inconsistent with the intent of SEND to deliver a message immediately and directly to a user's terminal. However, an SMTP receiver that is unable to write directly to the user terminal can return a "251 User Not Local" reply to the RCPT following a SEND, to inform the originator of possibly deferred delivery.

Next: 5.2.5 HELO Command: RFC-821 Section 3.5

Connected: An Internet Encyclopedia
RFC 1123 - 5.2.4 SEND, SOML, and SAML Commands: RFC-821 Section 3.4